code: def test_on_holder_table():
      x, y = find_min_global(holder_table, [-10, -10], [10, 10], 200)
      assert (y - -19.2085025679) < 1e-7
  
file_path: dlib/tools/python/test/test_global_optimization.py
imports: from dlib import find_max_global, find_min_global
  import dlib
  from pytest import raises
  from math import sin, cos, pi, exp, sqrt, pow
label_desc: Use image node_id 6 for calling a global function with example usage: test_on_holder_table() without return types